Paired Single Row Tapered Roller Bearings (Face to Face)

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Design Variants

Cage

Tolerance

Internal clearance

Because tapered roller bearings can only bear unidirectional axial load, they are often used in pairs. DHK can provide paired single row tapered roller bearings on demand, face to face pairing (suffix DF), back to back pairing (suffix DB), and series (suffix DT) as shown below:

Because tapered roller bearings can only bear unidirectional axial load, they are often used in pairs. DHK can provide paired single row tapered roller bearings on demand, face to face pairing (suffix DF), back to back pairing (suffix DB), and series (suffix DT) as shown below:
DHK tapered roller bearing adopts pressed steel cage, cage is slightly protruding to the side, so its installation size must be considered.
The width tolerance of the paired bearing is determined by the clearance and △Ts.
The clearance of a single row tapered roller bearing is set by adjusting another set of bearings used with it during installation.
The axial clearance of DHK bearing pairs face to face and back to back is shown in the table below. DHK can be customized with axial clearance as required.

Dimensions and Parameters

Inquiry	Bearing NO.	Boundary dimensions（mm）			Load ratings[kN]		Fatigue load limit [kN]	Speed ratings[rpm]		Mass（kg）	Bearing dimensions			Abutment and fillet dimensions						Calculation factors
Inquiry	Bearing NO.	d	D	T	Dyna Cr	Static Dor	pu	grease	Oil	Mass（kg）	2B	r3.4 min	r5 min	da max	Da min	Da max	Ca min	ra max	rb max	e	Y1	Y2	Y0
	31305.DF	25	62	36.5	64.4	80	8.8	4500	6000	0.55	34	1.5	0.6	34	47	55	3	1.5	0.4	0.83	0.81	1.2	0.8
	31306.DF	30	72	41.5	80.9	100	11.6	4000	5300	0.85	38	1.5	0.6	40	55	65	3	1.5	0.4	0.83	0.81	1.2	0.8
	31307.DF	35	80	45.5	105	134	15.6	3400	4500	1.1	42	1.5	0.6	45	62	71	3	1.5	0.4	0.83	0.81	1.2	0.8
	31308.DF	40	90	50.5	128	163	19.3	3000	4000	1.58	46	1.5	0.6	53	77	81	3	1.5	0.4	0.83	0.81	1.2	0.8
	31309.DF	45	100	54.5	157	204	25	2600	3600	2	50	1.5	0.6	57	79	91	4	1.5	0.4	0.83	0.81	1.2	0.8
	31310.DF	50	110	58.5	183	240	29	2400	3400	2.9	54	2	0.6	62	87	100	4	2	0.4	0.83	0.81	1.2	0.8
	31311.DF	55	120	63	209	275	33.5	2000	3000	3.45	58	2	0.6	68	94	110	4	2	0.4	0.83	0.81	1.2	0.8
	31312.DF	60	130	67	246	335	40.5	1900	2800	4.1	62	2.5	1	74	103	118	5	2	0.8	0.83	0.81	1.2	0.8
	31313.DF	65	140	72	281	380	47.5	1800	2600	5.6	66	2.5	1	80	111	128	5	2	0.8	0.83	0.81	1.2	0.8
	32014X.DF	70	110	50	172	305	34.5	2400	3400	1.8	50	1.5	0.6	78	98	103	5	1.5	0.4	0.43	1.6	2.3	1.6
	31314.DF	70	150	76	319	440	54	1700	2400	6.22	70	2.5	1	85	118	138	5	2	0.8	0.83	0.81	1.2	0.8
	31315.DF	75	160	80	358	490	58.5	1600	2200	7.25	74	2.5	1	91	127	148	6	2	0.8	0.83	0.81	1.25	0.8
	32316.DF	80	140	70.5	319	490	57	1900	2800	5.8	66	2	0.6	91	122	130	5	2	0.4	0.43	1.6	2.3	1.6
	31316.DF	80	170	85	380	530	64	1600	2200	9.1	78	2.5	1	97	134	158	6	2	0.8	0.83	0.81	1.2	0.8
	32017X.DF	85	130	58	238	450	51	1900	2800	2.8	58	1.5	0.6	94	117	123	6	1.5	0.4	0.44	1.5	2.3	1.6
	32217.DF	85	150	77	369	570	67	1800	2600	5.2	72	2	0.6	97	130	140	5	2	0.4	0.43	1.6	2.3	1.6
	31317.DF	85	180	89	416	570	67	1500	2000	10.5	82	3	1	103	143	166	6	2.5	0.8	0.83	0.81	1.2	0.8
	32018X.DF	90	140	64	292	540	62	1800	2600	3.65	64	1.5	0.6	100	125	131	6	1.5	0.4	0.43	1.6	2.3	1.6
	30218.DF	90	160	65	336	490	57	1700	2400	5.15	60	2	0.6	104	140	150	5	2	0.4	0.43	1.6	2.3	1.6
	32218.DF	90	160	85	429	680	76.5	1700	2400	6.9	80	2	0.6	102	138	150	5	2	0.4	0.43	1.6	2.3	1.6
	31318.DF	90	190	93	457	630	73.5	1400	1900	11.65	86	3	1	109	151	176	5	2.5	0.8	0.83	0.81	1.2	0.8
	31319.DF	95	200	99	501	710	78	1300	1800	14.4	90	3	1	114	157	186	5	2.5	0.8	0.83	0.81	1.2	0.8
	32020X.DF	100	150	64	292	560	63	1700	2400	3.95	64	1.5	0.6	110	134	141	6	1.5	0.4	0.46	1.5	2.2	1.4
	30220.DF	100	180	74	418	640	72	1600	2200	7.7	68	2.5	1	116	157	168	5	2	0.8	0.43	1.6	2.3	1.6
	32220.DF	100	180	98	539	880	96.5	1600	2200	10	92	2.5	1	115	154	168	5	2	0.8	0.43	1.6	2.3	1.6
	31320.DF	100	215	113	644	930	102	1200	1700	19.1	102	3	1	121	168	201	7	2.5	0.8	0.83	0.81	1.2	0.8
	32022X.DF	110	170	76	402	780	95	1600	2200	6.3	76	2	0.6	123	152	160	7	2	0.4	0.43	1.6	2.3	1.6
	32222.DF	110	200	112	682	1140	122	1400	1900	15.2	106	2.5	1	127	170	188	6	2	0.8	0.43	1.6	2.3	1.6
	31322.DF	110	240	126	781	1160	125	1000	1500	26.9	114	3	1	135	188	226	7	2.5	0.8	0.83	0.81	1.2	0.8
	32024X.DF	120	180	76	418	830	90	1300	1800	10	76	2	0.6	132	161	170	7	2	0.4	0.46	1.5	2.2	1.4
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